no need to expose get_tracer

Author: odeke-em

google/cloud/spanner_v1/__init__.py

@@ -75,7 +75,6 @@
 from google.cloud.spanner_v1.pool import FixedSizePool
 from google.cloud.spanner_v1.pool import PingingPool
 from google.cloud.spanner_v1.pool import TransactionPingingPool
-from google.cloud.spanner_v1._opentelemetry_tracing import get_tracer
 
 
 COMMIT_TIMESTAMP = "spanner.commit_timestamp()"
@@ -89,7 +88,6 @@
     # google.cloud.spanner_v1
     "__version__",
     "param_types",
-    "get_tracer",
     # google.cloud.spanner_v1.client
     "Client",
     # google.cloud.spanner_v1.keyset

google/cloud/spanner_v1/_opentelemetry_tracing.py

@@ -55,7 +55,7 @@ def get_tracer(tracer_provider=None):
     it'll fall back to the global tracer provider and use this library's specific semantics.
     """
     if tracer_provider:
-        return tracerProvider.get_tracer(TRACER_NAME, TRACER_VERSION)
+        return tracer_provider.get_tracer(TRACER_NAME, TRACER_VERSION)
     else:
         return trace.get_tracer(TRACER_NAME, TRACER_VERSION)